feat(watchdog): add exception handling and webhook integration

- Implement exception handling in TCP client to process error messages
- Add webhook functionality to send notifications for exceptions
- Introduce utility functions for string parsing
- Update config with webhook template

watchdog/processor.go

@@ -0,0 +1,32 @@
+package watchdog
+
+import (
+	"fmt"
+	"strings"
+
+	"super-frpc/global"
+	"super-frpc/webhook"
+)
+
+func exceptionHandle(exceptionType string, serviceName string, errorMsg string) {
+	body := make(map[string]string)
+	for k, v := range global.CurrentConfig.Webhook.Body {
+		replaced := v
+		for strings.Contains(replaced, "{{ exceptionType }}") ||
+			strings.Contains(replaced, "{{ serviceName }}") ||
+			strings.Contains(replaced, "{{ exceptionMsg }}") {
+			replaced = strings.ReplaceAll(replaced, "{{ exceptionType }}", exceptionType)
+			replaced = strings.ReplaceAll(replaced, "{{ serviceName }}", serviceName)
+			replaced = strings.ReplaceAll(replaced, "{{ exceptionMsg }}", errorMsg)
+		}
+		body[k] = replaced
+	}
+
+	bodyJSON := ""
+	for k, v := range body {
+		bodyJSON = fmt.Sprintf(`{"%s": "%s"}`, k, v)
+		break
+	}
+
+	webhook.SendHook(global.CurrentConfig.Webhook.URL, global.CurrentConfig.Webhook.Method, global.CurrentConfig.Webhook.Headers, bodyJSON)
+}

watchdog/tcpClient.go

@@ -6,6 +6,7 @@ import (
 	"net"
 	"strings"
 	"super-frpc/postLog"
+	"super-frpc/utils"
 	"sync"
 	"time"
 )
@@ -108,15 +109,23 @@ func recvMsg() {
 
 			if len(data) > 0 {
 				line := strings.TrimSpace(string(data))
-
 				if len(line) > 0 {
 					select {
-					case recvChan <- line:
+					case recvChan <- line: 
 					default:
+						// drop the message
 					}
-
+					// Here add logic to handle the message
 					if !isResponseMessage(line) {
 						postLog.Debug(fmt.Sprintf("[Watchdog] TCP Socket received message: %s", line))
+						cmdType := utils.GetCmdType(line)
+						if cmdType == "Exception" {
+							exceptionType := utils.GetCmdParams(line, "exceptionType")
+							serviceName := utils.GetCmdParams(line, "serviceName")
+							errorMsg := utils.GetCmdParams(line, "errorMsg")
+							postLog.Error(fmt.Sprintf("[Watchdog] Exception[%s]: %s, %s", serviceName, exceptionType, errorMsg))
+							exceptionHandle(exceptionType, serviceName, errorMsg)
+						}
 					}
 				}
 			}